
n.污染;污染物
They devised proposals to deal with air pollution. 他們構(gòu)想出處理空氣污染的方案。
Many young people could not resist the spiritual pollution. 很多年輕人不能抵制精神污染。
The main pollution sources include: slag, sewage water, smoke, and tail gas. 主要污染物有礦渣,污水,煙氣、尾氣等。
n.防止污染
無污染的
adj.反污染的